'Involute' definitions:

Definition of 'involute'

From: WordNet
adjective
Especially of petals or leaves in bud; having margins rolled inward [syn: involute, rolled]
adjective
(of some shells) closely coiled so that the axis is obscured

Definition of 'Involute'

From: GCIDE
  • Involute \In"vo*lute\, Involuted \In"vo*lu`ted\, a. [L. involutus, p. p. of involvere. See Involve.]
  • 1. (Bot.) Rolled inward from the edges; -- said of leaves in vernation, or of the petals of flowers in [ae]stivation. --Gray. [1913 Webster]
  • 2. (Zool.) (a) Turned inward at the margin, as the exterior lip of the Cyprea. (b) Rolled inward spirally. [1913 Webster]

Definition of 'Involute'

From: GCIDE
  • Involute \In"vo*lute\, n. (Geom.) A curve traced by the end of a string wound upon another curve, or unwound from it; -- called also evolvent. See Evolute. [1913 Webster]